125143533 has 6 divisors (see below), whose sum is σ = 180762894. Its totient is φ = 83429016.

The previous prime is 125143489. The next prime is 125143537. The reversal of 125143533 is 335341521.

125143533 is a `hidden beast` number, since 125 + 1 + 4 + 3 + 533 = 666.

It can be written as a sum of positive squares in only one way, i.e., 89359209 + 35784324 = 9453^2 + 5982^2 .

It is a de Polignac number, because none of the positive numbers 2^k-125143533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125143497 and 125143506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125143537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6952410 + ... + 6952427.

It is an arithmetic number, because the mean of its divisors is an integer number (30127149).

Almost surely, 2^125143533 is an apocalyptic number.

It is an amenable number.

125143533 is a deficient number, since it is larger than the sum of its proper divisors (55619361).

125143533 is a wasteful number, since it uses less digits than its factorization.

125143533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13904843 (or 13904840 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 125143533 is about 11186.7570367824. The cubic root of 125143533 is about 500.1913041295.

The spelling of 125143533 in words is "one hundred twenty-five million, one hundred forty-three thousand, five hundred thirty-three".